“…References Operating theater [2, 8, 17, 18, 32, 61, 63, 64, 68, 77, 93, 106, 113, 125, 126, 147, 153-156, 171, 184, 192, 195, 199, 201, 207, 225-228, 247, 249, 253, 262, 263] Wards [2, 17, 18, 18, 18, 22, 24, 33, 37, 37, 37, 45, 50, 51, 61, 71, 81, 83, 87, 90, 97, 103, 103, 104, 109, 125, 125, 133, 142, 147, 149-151, 157, 166, 169, 171, 175, 180, 193, 194, 206, 213, 217, 226, 231, 237, 242, 245, 246, 258, 260] Emergency department [1, 3, 5, 12-14, 19, 22, 23, 29, 33, 36, 39, 44, 47-49, 51-53, 55, 58, 59, 62, 71, 72, 74, 85, 90, 92, 97-99, 107, 108, 111, 118, 121, 122, 124, 127, 130-132, 136, 137, 142, 144, 145, 148, 152, 157, 159, 161, 163, 164, 166, 173-176, 179, 180, 183, 188, 191, 205, 206, 208-213, 216, 217, 220, 221, 224, 231, 232, 237, 243, 244, 246, 250, 251, 255, 256, 258, 259, 261] Ambulatory care [16,33,35,73,79,84,90,112,120,123,141,143,157,172,174,202,204,215,229,234,240,260] these papers, the effect of ward sizes on congestion levels at the ED is evaluated. For example, [166] use a queuing approach to model both ED and downstream inpatient units.…”